Answer:
how much per cent above the cost price should a shopkeeper mark his goods so that after allowing a discount of 25% on the marked price he gains 20% ?
The statements that are true concerning living organisms and how they acquire energy are;
Cells, the basic unit of life, cannot survive on their own. Instead, all living organisms must obtain and use energy to live.
The daily food consumption of an organism provides the energy to support all the metabolic processes required for the organism to live.
What are Living organisms?
Living organisms can be regarded as organisms that possess characteristics such as the ability to move and reproduce.
However, they acquire useful energy in different ways, and the daily food consumption of an organism provides the energy to support all the metabolic processes.
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<span>Enzyme and substrate bind using a lock-and-key mechanism. </span>
Answer: True.
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The respective blood components have been matched to their functions below:
- A. Erythrocyte - carries oxygen / cell membrane has AB antigens
- B. Lymphocyte - produce antibodies to fight foreign antigens
- C. Eosinophil - produced more abundantly during allergic reactions
- D. Neutrophil - help recognize foreign antigens
- E. Basophil - contains histamine /contains heparin
- F. Platelet - responsible for blood clotting
- G. Monocyte - produced more rapidly/abundantly in an infection
- H. Macrophage/Neutrophil - the more efficient phagocyte
Blood has several components which include; the red blood cells, white blood cells, and platelets.
Red blood cell help in the transprtation of oxygen frm the lungs to the heart and other tissues of the body.
Platelets help in blood clotting.
The white blood cells are very efficient in fighting off diseases. Monocytes, basophils, neutrophils, eosonophils, and lymphocyes are all examples of white blood cells.
Conclusively, their more specific functions of the blood components have been listed above.
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